Franklin tried a divide-and-conquer approach. He drew up a list of virtues and wrote a brief goal for each one, like this one for Order: ‘Let all your things have their places; let each part of your business have its time.’

…

When, as a young journeyman printer, he tried to practice Order by drawing up a rigid daily work schedule, he kept getting interrupted by unexpected demands from his clients — and Industry required him to ignore the schedule and meet with them. If he practiced Frugality (‘Waste nothing’) by always mending his own clothes and preparing all his own meals, there’d be less time available for Industry at his job — or for side projects like flying a kite in a thunderstorm or editing the Declaration of Independence. If he promised to spend an evening with his friends but then fell behind his schedule for work, he’d have to make a choice that would violate his virtue of Resolution: ‘Perform without fail what you resolve.’

Franklin wrote his list in 1726, at the age of 20. It’s more of a set of rules than a list. (Source: The Autobiography of Benjamin Franklin; Image: Benjamin Franklin, via.)

TEMPERANCE. Eat not to dullness; drink not to elevation.
SILENCE. Speak not but what may benefit others or yourself; avoid trifling conversation.
ORDER. Let all your things have their places; let each part of your business have its time.
RESOLUTION. Resolve to perform what you ought; perform without fail what you resolve.
FRUGALITY. Make no expense but to do good to others or yourself; i.e., waste nothing.
INDUSTRY. Lose no time; be always employ’d in something useful; cut off all unnecessary actions.
SINCERITY. Use no hurtful deceit; think innocently and justly, and, if you speak, speak accordingly.
JUSTICE. Wrong none by doing injuries, or omitting the benefits that are your duty.
MODERATION. Avoid extreams; forbear resenting injuries so much as you think they deserve.
CLEANLINESS. Tolerate no uncleanliness in body, cloaths, or habitation.
TRANQUILLITY. Be not disturbed at trifles, or at accidents common or unavoidable.
CHASTITY. Rarely use venery but for health or offspring, never to dulness, weakness, or the injury of your own or another’s peace or reputation.
HUMILITY. Imitate Jesus and Socrates.

Woody Guthrie made lists:

“Wake Up And Fight”

Jonathan Swift made this list in 1699:

Not to marry a young Woman.
Not to keep young Company unless they reely desire it.
Not to be peevish or morose, or suspicious.
Not to scorn present Ways, or Wits, or Fashions, or Men, or War, &c.
Not to be fond of Children, or let them come near me hardly.
Not to tell the same story over and over to the same People.
Not to be covetous.
Not to neglect decency, or cleenlyness, for fear of falling into Nastyness.
Not to be over severe with young People, but give Allowances for their youthfull follyes and weaknesses.
Not to be influenced by, or give ear to knavish tatling servants, or others.
Not to be too free of advise, nor trouble any but those that desire it.
To desire some good Friends to inform me wch of these Resolutions I break, or neglect, and wherein; and reform accordingly.
Not to talk much, nor of my self.
Not to boast of my former beauty, or strength, or favor with Ladyes, &c.
Not to hearken to Flatteryes, nor conceive I can be beloved by a young woman, et eos qui hereditatem captant, odisse ac vitare.
Not to be positive or opiniative.
Not to sett up for observing all these Rules; for fear I should observe none.

The Zeigarnik Effect is the tendency to experience intrusive thoughts about an objective that was once pursued and left incomplete (Baumeister & Bushman, 2008, pg. 122). The automatic system signals the conscious mind, which may be focused on new goals, that a previous activity was left incomplete. It seems to be human nature to finish what we start and, if it is not finished, we experience dissonance.
A study done by Greist-Bousquet and Schiffman (1992) provided evidence for the Zeigarnik Effect. In this paper, the authors stated that there is a tendency or “need” to complete a task once it has been initiated and the lack of closure that stems from an unfinished task promotes some continued task related cognitive effort. The cognitive effort that comes with these intrusive thoughts of the unfinished task is terminated only once the person returns to complete the task.

Tierney and Baumeister address that anew:

[It] turns out that the Zeigarnik effect is not, as was assumed for decades, a reminder that continues unabated until the task gets done. The persistence of distracting thoughts is not an indication that the unconscious is working to finish the task. Nor is it the unconscious nagging the conscious mind to finish the task right away. Instead, the unconscious is asking the conscious mind to make a plan. The unconscious mind apparently can’t do this on its own, so it nags the conscious mind to make a plan with specifics like time, place, and opportunity. Once the plan is formed, the unconscious can stop nagging the conscious mind with reminders.”